Ответ:
1. 6 4/9+3 5/9=(6+3)+(4/9+5/9)=9+1=10
2. 10 11/19+5 14/19=(10+5)+(11/19+14/19)=15+25/19=15+1 6/19=16 6/19
3. 1 5/8+3 7/8=(1+3)+(5/8+7/8)=4+3/2=4+1 1/2=5 1/2
4. 1-3/11=11-3/11=8/11
5.1-13/40=40-13/40=27/40
6. 4-1 4/7=4- 11/7=17/7=2 3/7
7. 10-9 3/10=10-93/10=7/10
8. 5 2/7-2 5/7=37/7-19/7=18/7=2 4/7
Пошаговое объяснение:
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Answers & Comments
Ответ:
1. 6 4/9+3 5/9=(6+3)+(4/9+5/9)=9+1=10
2. 10 11/19+5 14/19=(10+5)+(11/19+14/19)=15+25/19=15+1 6/19=16 6/19
3. 1 5/8+3 7/8=(1+3)+(5/8+7/8)=4+3/2=4+1 1/2=5 1/2
4. 1-3/11=11-3/11=8/11
5.1-13/40=40-13/40=27/40
6. 4-1 4/7=4- 11/7=17/7=2 3/7
7. 10-9 3/10=10-93/10=7/10
8. 5 2/7-2 5/7=37/7-19/7=18/7=2 4/7
Пошаговое объяснение: